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50 Years of ERIC
50 Years of ERIC
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Peer reviewed Peer reviewed
ERIC Number: EJ116431
Record Type: CIJE
Publication Date: 1975
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Twins: Concordance for Piagetian-Equivalent Items Derived from the Bayley Mental Test
Matheny, Adam P., Jr.
Developmental Psychology, 11, 2, 224-227, Mar 75
Analyzed 20 test items for evidence of concordance for samples that included at least 120 pairs of identical twins and 85 pairs of same-sex fraternal twins at ages 3, 6, 9 and 12 months. Also computed within-pair correlations for the total number of Piagetian-equivalent items passed. (Author/SDH)
Descriptors: Age Differences, Biological Influences, Cognitive Development, Developmental Psychology, Infants, Nature Nurture Controversy, Psychomotor Skills, Twins
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Concordance (Twin Studies); Piaget (Jean)